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Graco 165949 Packing Vee

Replace worn vee seal in the pump packing stack to restore pressure and stop leaks. Always verify the part against your sprayer’s parts list before ordering.

  • Part No.: 165949 (vee packing)
  • Location: Packing/gland around piston or rod
  • Function: Dynamic seal for pressure retention
  • Note: Some models require multiple pieces in the stack
  • Install: Orient chevrons toward the pressure side

$29.4
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Compatible Machines

Product Overview

Graco 165949 Packing Vee is a V-section seal used in pump and packing assemblies to control fluid leakage around a moving rod/piston and to maintain operating pressure. It’s typically installed within the pump’s packing stack or gland assembly.

Detail Description
Part Number 165949
Type Vee (chevron) packing / seal
Typical Location Pump packing stack / packing gland around piston or displacement rod
Primary Function Seals dynamic surfaces to reduce leakage and sustain system pressure

Key Highlights

  • Designed for dynamic sealing in airless paint sprayer pump assemblies.
  • Supports pressure retention and reduces premature wear in the packing stack.
  • Use only the exact part number specified in your model’s parts breakdown.

Installation & Maintenance Notes

  1. Confirm the exact stack order and orientation from the service manual before disassembly.
  2. Inspect the rod/piston surface for scoring—replace or polish if damaged to prevent rapid seal wear.
  3. Lubricate per manual; assemble to the specified torque and orientation (chevrons typically face pressure).
  4. Pressure-test after assembly and check for leakage during the first use cycle.

What’s Included

Single vee packing (quantity as sold per listing). Some models require multiple pieces in a stack—always follow the model’s parts list.

Frequently Asked Questions

Check your sprayer’s parts manual or service breakdown and match the packing line item number to 165949. If your manual lists a different number, use that exact part instead.

Replace when you notice persistent weeping at the packing nut, pressure loss, difficulty priming, or after a rod/cylinder service. Many technicians replace the full stack during a pump rebuild.

Often yes—packing stacks include multiple vee packings, adapters, and male/female spacers. Review your model’s stack diagram to confirm all items and quantities before ordering.

Yes, if you’re comfortable with pump service and follow the manual closely. Keep components clean, observe orientation, and torque correctly. If unsure, use a qualified service center.

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